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                obs_expected="31335"
                obs_have="27169"
                obs_ratio="86.70" />
          <mask elevation="10 degrees"
                obs_expected="28169"
                obs_have="25963"
                obs_ratio="92.17" />
          <mask elevation="15 degrees"
                obs_expected="23680"
                obs_have="22988"
                obs_ratio="97.08" />
        </observations>
      </control>
    </file>
  </station>
</QC>
